import Vue from 'vue'
import Router from 'vue-router'
import http from '@/utils/request'
import { isURL } from '@/utils/validate'
import { supplyMenu } from '@/utils/data-nav-supply'
import Cookies from 'js-cookie'
Vue.use(Router)

// 页面路由(独立页面)
export const pageRoutes = [{
  path: '/404',
  component: () =>
            import('@/views/pages/404'),
  name: '404',
  meta: { title: '404未找到' },
  beforeEnter (to, from, next) {
    // 拦截处理特殊业务场景
    // 如果, 重定向路由包含__双下划线, 为临时添加路由
    if (/__.*/.test(to.redirectedFrom)) {
      return next(to.redirectedFrom.replace(/__.*/, ''))
    }
    next()
  }
},
{
  path: '/login',
  component: () =>
            import('@/views/pages/login'),
  name: 'login',
  meta: { title: '登录' }
}
]

// 模块路由(基于主入口布局页面)
export const moduleRoutes = {
  path: '/',
  component: () =>
        import('@/views/main'),
  name: 'main',
  redirect: { name: 'home' },
  meta: { title: '主入口布局' },
  children: [
    {
      path: '/home',
      component: () => import('@/views/modules/home'),
      name: 'home',
      meta: { title: '首页', isTab: true }
    },
    { path: '/iframe', component: null, name: 'iframe', meta: { title: 'iframe', isTab: true } },
    { path: '/customization/detail/:id', component: () => import('@/views/modules/customization/detail/index'), name: 'customizationDetail', meta: { title: '私人订制编辑', isTab: true } },
    { path: '/messageManagement-detail/:id', component: () => import('@/views/modules/messageManagement/details'), name: 'messageManagement', meta: { title: '消息详情', isTab: true } },
    { path: '/product/scenicDetail/:id', component: () => import('@/views/modules/product/scenic-detail'), name: 'scenicDetail', meta: { title: '景区详情', isTab: true } },
    { path: '/product/scenicEdit/:id', component: () => import('@/views/modules/product/scenic-edit'), name: 'scenicEdit', meta: { title: '景区编辑', isTab: true } },
    {
      path: '/product/edit/:id/:source',
      component: () => import('@/views/modules/product/edit'),
      name: 'productEdit',
      meta: { title: '编辑产品', isTab: true }
    },
    {
      path: '/product/resource/detail/:id',
      component: () => import('@/views/modules/product/detail'),
      name: 'resourceDetail',
      meta: { title: '资源详情', isTab: true }
    }
  ]
}

export function addDynamicRoute (routeParams, router) {
  // 组装路由名称, 并判断是否已添加, 如是: 则直接跳转
  var routeName = routeParams.routeName
  var dynamicRoute = window.SITE_CONFIG.dynamicRoutes.filter(item => item.name === routeName)[0]
  if (dynamicRoute) {
    return router.push({ name: routeName, params: routeParams.params })
  }
  // 否则: 添加并全局变量保存, 再跳转
  dynamicRoute = {
    path: routeName,
    component: () =>
            import(`@/views/modules/${routeParams.path}`),
    name: routeName,
    meta: {
      ...window.SITE_CONFIG.contentTabDefault,
      menuId: routeParams.menuId,
      title: `${routeParams.title}`
    }
  }
  router.addRoutes([{
    ...moduleRoutes,
    name: `main-dynamic__${dynamicRoute.name}`,
    children: [dynamicRoute]
  }])
  window.SITE_CONFIG.dynamicRoutes.push(dynamicRoute)
  router.push({ name: dynamicRoute.name, params: routeParams.params })
}

const router = new Router({
  mode: 'hash',
  scrollBehavior: () => ({ y: 0 }),
  routes: pageRoutes.concat(moduleRoutes)
})

router.beforeEach((to, from, next) => {
  // 添加动态(菜单)路由
  // 已添加或者当前路由为页面路由, 可直接访问
  if (window.SITE_CONFIG.dynamicMenuRoutesHasAdded || fnCurrentRouteIsPageRoute(to, pageRoutes)) {
    return next()
  }
  // // 获取字典列表, 添加并全局变量保存
  // http.get('/sys/dict/type/all').then(({ data: res }) => {
  //   if (res.code !== 0) {
  //     return
  //   }
  //   window.SITE_CONFIG['dictList'] = res.data
  // }).catch(() => { })
  // 获取菜单列表, 添加并全局变量保存
  window.SITE_CONFIG.menuList = supplyMenu.data
  fnAddDynamicMenuRoutes(window.SITE_CONFIG.menuList)
  // 增加登录验证
  const token = Cookies.get('token')
  if (token) {
    next({ ...to, replace: true })
  } else {
    next({
      name: 'login',
      query: { redirect: to.meta.redirect }
    })
  }
  // http.get('/sys/menu/nav').then(({ data: res }) => {
  //   if (res.code !== 0) {
  //     Vue.prototype.$message.error(res.msg)
  //     return next({ name: 'login' })
  //   }
  //   window.SITE_CONFIG['menuList'] = res.data
  //   fnAddDynamicMenuRoutes(window.SITE_CONFIG['menuList'])
  //   next({ ...to, replace: true })
  // }).catch(() => {
  //   next({ name: 'login' })
  // })
})

/**
 * 判断当前路由是否为页面路由
 * @param {*} route 当前路由
 * @param {*} pageRoutes 页面路由
 */
function fnCurrentRouteIsPageRoute (route, pageRoutes = []) {
  var temp = []
  for (var i = 0; i < pageRoutes.length; i++) {
    if (route.path === pageRoutes[i].path) {
      return true
    }
    if (pageRoutes[i].children && pageRoutes[i].children.length >= 1) {
      temp = temp.concat(pageRoutes[i].children)
    }
  }
  return temp.length >= 1 ? fnCurrentRouteIsPageRoute(route, temp) : false
}

/**
 * 添加动态(菜单)路由
 * @param {*} menuList 菜单列表
 * @param {*} routes 递归创建的动态(菜单)路由
 */
function fnAddDynamicMenuRoutes (menuList = [], routes = []) {
  var temp = []
  for (var i = 0; i < menuList.length; i++) {
    if (menuList[i].children && menuList[i].children.length >= 1) {
      temp = temp.concat(menuList[i].children)
      continue
    }
    // 组装路由
    var route = {
      path: '',
      component: null,
      name: '',
      meta: {
        ...window.SITE_CONFIG.contentTabDefault,
        menuId: menuList[i].id,
        title: menuList[i].name
      }
    }
    // eslint-disable-next-line
        let URL = (menuList[i].url || '').replace(/{{([^}}]+)?}}/g, (s1, s2) => eval(s2)) // URL支持{{ window.xxx }}占位符变量
    if (isURL(URL)) {
      route.path = route.name = `i-${menuList[i].id}`
      route.meta.iframeURL = URL
    } else {
      URL = URL.replace(/^\//, '').replace(/_/g, '-')
      route.path = route.name = URL.replace(/\//g, '-')
      route.component = () =>
                import(`@/views/modules/${URL}`)
    }
    routes.push(route)
  }
  if (temp.length >= 1) {
    return fnAddDynamicMenuRoutes(temp, routes)
  }
  // 添加路由
  router.addRoutes([{
    ...moduleRoutes,
    name: 'main-dynamic-menu',
    children: routes
  },
  { path: '*', redirect: { name: '404' } }
  ])
  window.SITE_CONFIG.dynamicMenuRoutes = routes
  window.SITE_CONFIG.dynamicMenuRoutesHasAdded = true
}

export default router
